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(!!!!!) (BEST Overall Pair 1962) JG-6072 GE NOS triple mica black plates "O" getter 1962 (2.9/3.0ma and 2.8/3.0ma) 1-3% matched (mics, Audio Note, Kondo)
(!!!!!) (Best Overall Single #2) JG-6072 GE double mica black plates "O" getter NOS 1963 (3.3/3.1ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (Best Overall Single) CK-5687WB Raytheon black plates NOS 1960's (40.5ma/42ma) (Audio Note, Modwright, Manley) Highest mA and Gm
(!!!!!) (Best Overall Single) JG-6072 GE triple mica black plates "O" getter NOS 1961 (3.1/3.6ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!!) (BEST Pair 1962) JG-6072 GE NOS triple mica black plates "O" getter 1962 (2.6/2.8ma and 2.7/2.8ma) 1-2% matched (mics, Audio Note, Kondo)
(!!!!!) (Best Value Pair) 6021 GE 5 Star Rated NOS "D" getter halo 1957 in GE 5 Star Boxes (1-3% matched) (5.0/7.2ma and 4.8/6.6ma)
(!!!!!) (Best Value Single) 6072 GE 5 star triple mica black plates "O" getter halo 1960's - 2 hairline cracks top of glass - tests like new (2.4/2.7ma) (mic grade)
(!!!!!) (Recommended 5 Star Single) 5751 GE "5 Star" gray plates triple mica "O" getter 1959 like new (2.5/2.4ma)
(!!!!!) (Recommended 5 Star Single) 5751 GE "5 Star" gray plates triple mica "O" getter 1960 like new (2.2/2.1ma) (same Gm)
(!!!!!) (Recommended Single) JG-6072 GE triple mica black plates "O" getter NOS 1962 (2.9/2.3ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!) (BEST PAIR) 5751 GE "5 Star" NOS "O" getter 1968 very good printing (2.2/2.2ma and 2.2/2.1ma) 1-2% section balance
(!!!!) (BEST SINGLE #2) JG-12AT7WA=6201 GE NOS "blue tip - red dot" triple mica, "O" getter halo, gray plates 1960 (7.7/7.8ma) 1-2% section balance
(!!!!) (BEST SINGLE #3) JG-12AT7WA=6201 GE NOS "blue tip - red dot" triple mica, "O" getter halo, gray plates 1960 (8.6/11.8ma)
(!!!!) (Best Single 1973) 6201=12AT7WA GE branded Raytheon black plates triple mica O getter 1973 (8.5/8.2ma)
(!!!!) (Best Value Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 used/good (2.0/2.1ma)
(!!!!) (Recommended Single 1954) GL-6201=12AT7WA GE "5 STAR" black plates triple mica D getter 1954 tests like new (8.2/8.4ma)
(!!!!) (Recommended Single) JG-6072 GE black plates triple mica "U" getter halo like new 1950's (2.5/3.1ma) (recommended for guitar amp or mic preamp)
(!!!!) (Single) 6080 GE black plates NOS 1980 era (86ma/72ma)
(!!!!) (Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 low hours/like new (2.2/2.0ma)
(!!!) (2nd Best GE Pair 1956) JG-6021 GE NOS "D" getter halo 1956 (6.3/5.9ma and 5.7/6.2ma) (mil-grade)